| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 05 Dec 2025 | 03 Dec 2025 | 001-37527 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Dec 2019 | 16 Dec 2019 | 001-37527 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Nov 2019 | 20 Nov 2019 | 001-37527 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Oct 2019 | 08 Oct 2019 | 001-37527 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Aug 2019 | 23 Aug 2019 | 001-37527 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 06 Mar 2019 | 06 Mar 2019 | 001-37527 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 01 Mar 2019 | 28 Feb 2019 | 001-37527 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 14 Jan 2019 | 10 Jan 2019 | 001-37527 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Dec 2018 | 18 Dec 2018 | 001-37527 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 21 Nov 2018 | 21 Nov 2018 | 001-37527 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 16 Oct 2018 | 15 Oct 2018 | 001-37527 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 04 May 2018 | 03 May 2018 | 001-37527 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 04 Apr 2018 | 31 Mar 2018 | 001-37527 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 31 Jan 2018 | 31 Jan 2018 | 001-37527 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 15 Dec 2017 | 14 Dec 2017 | 001-37527 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 Oct 2017 | 02 Oct 2017 | 001-37527 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 04 Apr 2017 | 31 Mar 2017 | 001-37527 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 26 Jan 2017 | 30 Nov 2016 | 001-37527 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 04 Oct 2016 | 30 Sep 2016 | 001-37527 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 04 Apr 2016 | 31 Mar 2016 | 001-37527 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 Dec 2015 | 15 Dec 2015 | 001-37527 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Dec 2015 | 10 Dec 2015 | 001-37527 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 02 Dec 2015 | 01 Dec 2015 | 001-37527 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 08 Oct 2015 | 06 Oct 2015 | 001-37527 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 20 May 2015 | 19 May 2015 | 000-31553 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Dec 2014 | 01 Dec 2014 | 000-31553 |
| 4 | Open Document | Open Filing | FORM 4 | 19 May 2014 | 15 May 2014 | 000-31553 |